- 1). Prepare for the procedure. You won't be able to use your well for a full day following the procedure so you'll need to store enough water to last at least 24 hours. You also may wish to stay somewhere else while the bleach is removing the sulfur from your well water.
- 2). Calculate the total volume of your water supply. This will be equal to the volume of the water in your well and the volume of water already in your plumbing system. The volume of your well water is determined by the equation V = 23.5 x h x r^2 where V is the volume of your well water in gallons, h is the depth of your well water in feet and r is the radius of your well in feet. To this figure, add the volume of water in your plumbing system. Estimate this volume at 100 gallons if you don't know the exact value.
- 3). Obtain at least two gallons of household bleach that consists of a 5.25 percent solution of sodium hypochlorite. Be sure the bleach does not contain any perfumes or dyes. Fill a 2-gallon container with 1/4 ounce of bleach for every gallon of water in your water supply. Add an equal amount of water to the container and mix the solution thoroughly.
- 4). Connect one end of a garden hose to the outside faucet nearest the well. Open your wellhead with a wrench of the appropriate size, and pour the bleach solution into the well. Push the free end of the garden hose at least 3 feet into the wellhead and wash the solution from the well casing. Allow the water to run until the water in the hose smells of bleach. Withdraw the hose and close the wellhead with the wrench.
- 5). Open the faucets in your house all the way and continually flush your toilets until the water begins to smell like bleach. Turn the faucets off and refrain from using any water for 24 hours. Then open the faucets again and flush your toilets until your water no longer smells like bleach.
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